Class 11 Biology - Chapter Excretory products and their Elimination NCERT Solutions | Fill in the gaps: (a) Ascending limb of

Welcome to the NCERT Solutions for Class 11th Biology - Chapter Excretory products and their Elimination. This page offers a step-by-step solution to the specific question from Exercise 1, Question 12: fill in the gaps a ascending limb of henles loo....
Question 12

Fill in the gaps:
(a) Ascending limb of Henles loop is ____________to water whereas the descending limb is___________to it.
(b) Reabsorption of water from distal parts of the tubules is facilitated by hormone____________.
(c) Dialysis fluid contains all the constituents as in plasma except ________.
(d) A healthy adult human excretes (on an average) _______ gm of urea/day.

Answer

(a) Ascending limb of Henle’s loop is impermeable to water, whereas the descending limb is permeable to it.

(b) Reabsorption of water from distal parts of the tubules is facilitated by the hormone vasopressin.

(c) Dialysis fluid contains all the constituents as in plasma, except the nitrogenous wastes.

(d) A healthy adult human excretes (on an average) 25-30 gm of urea/day.

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